If we were to go to a 100% bitcoin currency system. The banks and governments would loose control of whole financial system. The present governments would loose control. Therefore a new system would be needed to run each country. What do you think would be the new body of control? How could this work? What type of system would be put in place on this.? I don't think the people can control themselves as too many minds and ideas of where things can go in a direction. Therefore you still need a council or kingdom of control.
I admire people who have the dream of a better system where people are heard and where people are actually in control of their own destiny. But this kind of dream (as acted upon) resulted into many chaotic things in the past. Why? The answer: HUMAN NATURE. In the past, when there was no government what came in was anarchy and with human nature unchanged and intact it can be all men for themselves. In fact, this is one of the many reasons why we have government in the first place. Unfortunately, Bitcoin is the agency that is tasked to change human nature.
Now, having said that, personally I do not ever believe and even dream that one day Bitcoin can be the global currency that is accepted by all people anywhere, anytime. That is such an impossible dream. And I am sure those outside of cryptocurrency can even be laughing at that idea. We could not even have one single country (even a small state) that is using Bitcoin as the primary currency successfully. Just having cryptocurrency or involving ourselves in cryptocurrency does not mean that the world and the many existing realities will be starting to change for the better.
Is Bitcoin really here to take on the global economic system, topple it and changed it for the better? Or is it just another pipe dream that can be good to discuss but has not even an iota of chance of coming true?